This page presents operational model fields that are being used for research into forecast skill for extratropical transition (ET) of tropical cyclones and for tropical and subtropical cyclogenesis

Direct inquiries to Alex Kowaleski: amk429@psu.edu

Model data last updated Mon Mar 17 23:53:09 UTC 2014.

GFS Most Recent Sea Level Pressure and 325 Kelvin Potential Vorticity

This map is an overlay of the most recent GFS maps of sea level pressure and mid-tropopshere potential vorticity. It is used to diagnose the depth and tilt of vorticies, including tropical cyclones and potential tropical cyclones.

ECMWF Model

The ECMWF data are provided by the European Centre for Medium-Range Weather Forecasting.
The ECMWF graphics are provided by the Penn State E-Wall.